Separate double-ended design: 5 in 1 PC cleaning kit with nylon fur, relief sponge, high-density brush, metal tip and key extractor, hidden double-end design to meet various cleaning needs The soft brush does not damage the keyboard: Choose a special nylon brush, soft, moderate hardness, three-row design, high pore strength, good elasticity, compact rigidity, Friction more economical Multi-function cleaning kit: flocking sponge to clean dust in the headset's wireless charging box. A high-density brush removes dirt from the headphone sound exit hole. Metal tips remove stubborn dust The key is easy to pull: use a simple key puller, replacement of the key cover is not difficult, removal of the key cover is cleaner and fuller Easy to deal with a variety of cleaning requirements: 4 cleaning heads, multi-function, deep cleaning keyboard headphones and every corner of Lego, no hidden dust Size